JPH08107297A - Method and device for feeding component - Google Patents

Abstract

PURPOSE: To provide a component feeding method contrived so as to be able to transfer and feed chip-shaped works stably and accurately in a simple constitution and a component feeding device. CONSTITUTION: A component feeding device is provided with a timing belt 22 for transferring delivered works to the position of a work take-out stage member 72, a drive mechanism, which interlocks with a work take-up operation using a work take-up mechanism to transfer the belt 22, and a cleaner mechanism 24, which is abutted on the work placement surface of the belt 22 for cleaning this placement surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component supply method and device for aligning chip-shaped components that are input and guiding and supplying them to a mounting machine.

[0002]

2. Description of the Related Art Generally, when a chip-shaped component is mounted on a printed wiring board, the chip-shaped components (workpieces) are picked up one by one by vacuum suction or the like and placed on the printed wiring board for mounting. The method is taken. In this method, when chucking chip-shaped components by vacuum suction, etc., how much they can be picked up accurately and picked up and placed on the printed wiring board greatly affects productivity. become. Therefore, a method of aligning and supplying the components once (a so-called parts handling) is performed before the components are vacuum-sucked and picked up by an air chuck or the like.

This component supply method is as follows: (1) Box magazine feeders in which components are preliminarily aligned and stored in a magazine and sequentially taken out one by one, and holes and grooves are provided and arranged one by one. The parts tray to be taken out and the parts are arranged in advance on a medium such as a tape, and the tape is wound in a coil form and supplied, and an array supply method using a tape, a coil, a hoop type, and (2) randomly stacked. There is a bulk-stacking type automatic component supply method that aligns and supplies components.

In addition, there are various types in the bulk-stacking type automatic supply method, and as one of them, if a tube suitable for the part is provided in the hopper and the hopper or the tube is reciprocated up and down, There is a structure in which are sequentially taken out into the cylinder. This is, for example, JP-A-55-
It can be seen in Japanese Patent No. 151340. In such a structure, since the cylinder is formed in a pin shape and has a thin shape suitable for parts, the reciprocating movement of the cylinder does not perform stirring in the hopper and a bridge phenomenon occurs to cause the parts to move. It is easy to cause clogging and difficult to supply stably. Further, the work discharged from the hopper is often placed on a belt conveyer or the like and conveyed, but since the belt conveyer is generally located at the lower side, dust and the like are easily attached.

[0005]

When dust or the like adheres to the belt conveyor, the dust is transferred to the work to cause a problem during mounting, or the friction coefficient between the belt conveyor and the work is increased. However, there is a problem in that it does not carry out the desired transport.

The present invention has been made in view of the above problems, and an object thereof is a component supply method and a component supply method capable of stably and reliably supplying chip-shaped workpieces with a simple structure. To provide the device. Furthermore, other purposes will be clarified one after another in the content described below.

[0007]

The object of the present invention is, in the present invention, a device for aligning and guiding chip-shaped works to a position where the works are picked up by a work picking mechanism on the mounting machine side. In the feeding device,
The small chamber into which the work is put, a discharging means for sequentially discharging the work in the small chamber, and a position corresponding to the outlet of the discharging means are provided, and the work discharged by the discharging means is A belt carrying means for carrying the work to a work picking position, a driving means for operating the belt carrying means in conjunction with a work picking operation by the work picking mechanism, and the work of the belt carrying means are placed. This is achieved by providing a cleaner means for cleaning the mounting surface which is abutted against the surface.

Further, as a method thereof, in a component supply method in which a chip-shaped work is aligned and guided and supplied to a position where the work is picked up by a work picking mechanism on the mounting machine side, the work discharged from the small chamber is conveyed by a belt. It is achieved by carrying the work by placing it on a means and carrying it to the work pick-up position, and bringing the cleaner means into contact with the work placing surface of the belt carrying means so that the work can be cleaned. It

[0009]

According to this, the mounting surface of the belt conveying means can be cleaned by the cleaner means as needed, and the belt can be conveyed while maintaining the best condition. Therefore, stable and reliable transport can be performed.

[0010]

Embodiments of the present invention will be described in detail below with reference to the drawings. 1 to 5 show a component supply device according to an embodiment of the present invention. FIG. 1 is a perspective view of a part of the component supply device as seen from one side, and FIG. FIG. 3, FIG. 3 is a side view thereof seen from the back side, FIG. 4 is a perspective view thereof seen from one side, and FIG. 5 is a perspective view thereof seen from the back side. Further, FIG. 6 is an enlarged cross-sectional view taken along the line AA of FIG.

1 to 6, the component supply apparatus 1 is mainly composed of a base 2 and a small chamber molded body 3. The base 2 is an aluminum member, and has three positioning pins 9 (see FIGS. 2 and 3) on the bottom 2a for positioning on a mounting machine (not shown). Further, on the rear end side (rear surface 2e side), a notch 4 is made from the bottom surface 2a toward the upper surface 2b, and a grip 5 for facilitating mounting / dismounting to / from the mounting machine is formed by this notch 4. . Further, a recess 6 is formed on one side surface 2c (hereinafter referred to as "front surface 2c"), and a first recess portion 7a is formed on the other side surface 2d (hereinafter referred to as "rear surface 2d"). Recess 7 made up of three recesses, second recess 7b and third recess 7c
Are formed.

More specifically, a drive pulley 11, an end support pulley 12, and a tensioner 13 are provided in the recess 6 on the surface 2c side. Of these, the drive pulley 11
Are formed in a wheel shape with saw teeth provided at equal pitches on the periphery, and on the front surface 2f side of the base 2, both side surfaces (2
(c, 2d) is rotatably attached to the support shaft 14 through a support shaft 14 that is rotatably attached. Further, in the periphery of the drive pulley 11, a cutout portion 15 cut out in the upper surface 2b and a cutout portion 16 cut out in the front surface 2f are formed. End support pulley 12
Is formed as a wheel having saw teeth formed around it at the same pitch as that of the drive pulley, and is rotatably attached via a support shaft 17 arranged on the rear surface 2e side. The support shaft 17 has a long hole 18 formed so as to penetrate the base 2 in the front-back direction and extend in the front-back direction.
(See FIG. 1) is mounted inside the elongated hole 18 so as to be movable and adjustable in the longitudinal direction. By this movement adjustment, the distance between the drive pulley 11 and the end support pulley 12 can be adjusted. Further, in the periphery of the end support pulley 12, a cutout portion 19 cut out in the upper surface 2b is formed. The tensioner 13 is formed in a tubular shape, and is rotatably arranged with respect to the support shaft 20 between the drive pulley 11 and the end support pulley 12 and via the support shaft 20. The support shaft 20 is mounted in a long hole 21 formed so as to penetrate the base 2 in the front-back direction and extend in the up-down direction so as to be movable and adjustable in the longitudinal direction of the long hole 21. There is.

A timing belt 22 is provided between the driving pulley 11 and the end supporting pulley 12 so as to have an inner surface having teeth meshing with the teeth of the driving pulley 11 and the teeth of the end supporting pulley 12, respectively. This timing belt 2
The tensioner 13 is brought into contact with the lower side of the second belt 2 to remove the slack of the timing belt 22. Also, the slack adjustment of the timing belt 22 is
By moving the support shaft 17 together with the end support pulley 12 in the longitudinal direction in the elongated hole 18 or moving the support shaft 20 together with the tensioner 13 in the elongated hole 21 in the vertical direction, optimum tension adjustment can be performed. Further, when the timing belt 22 is stretched between the drive side pulley 11 and the end support pulley 12, the upper portion is arranged along the upper surface 2b. A belt guide groove 23 for guiding 22 is formed between the notch 15 and the notch 19,
The timing belt 22 is disposed in the guide groove 23 in a dropped state.

In addition, a cleaner mechanism 24 is provided at the rear of the base 2 corresponding to the recess 6 in which the timing belt 22 is provided. This cleaner mechanism 24
Cleans the outer surface of the timing belt 22 stretched between the drive side pulley 11 and the end support pulley 12, and then the work 101 placed on the timing belt 22.
(See FIG. 17) to reduce the frictional force between it and the work piece 101, which will be described later. The (felt 28) is arranged so as to be in contact with it. This cleaner mechanism 24 has a base 2
The through hole 25 is formed straight from the rear surface 2e to a position corresponding to the end support pulley 12 of the recess 6, and the cleaner rod 26 and the like inserted and arranged in the through hole 25. Of these, a female screw 27 is formed on the inner surface on the rear end side of the through hole 25. On the other hand, the cleaner bar 26
A felt 28 is attached to the front end side of the, and a male screw 29 and a knob 30 corresponding to the female screw 27 are formed on the rear end side. And cleaner bar 26
Is inserted from the felt 28 side into the through hole 25, and when the male screw 29 is screwed into the female screw 27, the felt 28 is attached in a state of being in contact with the outer peripheral surface (mounting surface) of the timing belt 22. Further, when the timing belt 22 is run with the felt 28 in contact with it, the mounting surface is cleaned, dust and the like adhering to the mounting surface is removed, and the coefficient of friction on the mounting surface is increased. Can always be kept constant. In this case, the felt 28 may contain a volatile cleaning liquid. Furthermore, in this embodiment, the cleaner rod 2 is adjusted by pinching the knob portion 30 and adjusting the screwing amount of the female screw 27 and the male screw 28.
6 is moved back and forth in the longitudinal direction, and the timing belt 2
The contact pressure of felt 28 on 2 can be adjusted. In this cleaner mechanism 24, the felt 28 is not always in contact with the timing belt 22, but is kept separated during normal operation by adjusting the screwing amount, and when the timing belt 22 becomes dirty, the felt 28 is screwed into contact with the timing belt 22. The surface may be cleaned.

Next, the first recess 7a, the second recess 7b, and the third recess 7c formed on the back surface 2d side are placed in the recess 7 composed of three recesses. Is provided with a drive mechanism 31. Of the three recesses 7a, 7b, 7c,
The recesses 7a and 7c have a large engraving amount, and the recess 7b is formed with a relatively shallow engraving amount. The third recess 7c is formed by cutting out a part 8 of the upper surface 2b.

A drive mechanism 3 arranged in the recess 7
1 is composed of a timing belt drive system 31a for driving the timing belt 22 and a small chamber molded body side drive system 31b for promoting the supply of components on the small chamber molded body 3 side described later. Of these, the timing belt drive system 31
a is rotatably disposed in the first recess 7a so as to penetrate both side surfaces 2c and 2d, and the drive pulley 1 is provided on the front surface 2c side.
The ratchet wheel 32, which is the same as the spindle 14 to which 1 is attached and is rotatably attached to the other end side of the spindle 14, and the ratchet wheel 32, which is also arranged in the first recess 7a, It comprises a lever 33 for feeding the ratchet, a first ratchet pawl 34, a second ratchet pawl 35, and the like.

More specifically, the ratchet wheel 32 is
Ratchet teeth are formed on the outer peripheral surface at equal pitches. Further, in the vicinity of the ratchet wheel 32, a notch 36 formed by notching a part of the recess 7a on the upper surface 2b side and a notch 37 formed by notching the front surface 2f are formed.

The lever 33 is attached to the base 2 via the support shaft 14 so that the lever 33 can freely rotate with respect to the support shaft 14. Further, one end 33a of the lever 33 is extended downward, and the other end 33b is extended to the first recessed portion 7.
Inside a, it extends substantially horizontally toward the second recess 7b side. Then, on the other end 33b side, the connecting pin 3 is attached to the tip.
8 is attached, and a protruding shaft 39 is formed in the middle. The upper surface 2b of the base 2 is associated with the protruding shaft 39.
Through holes 40 are formed in the up-down direction so as to be opened in the first recess 7a. Further, the operation lever 41 is inserted into the through hole 40 from the side of the recess 7b,
The lower end of the operating lever 41 is placed on the outer peripheral surface of the protruding shaft 39. When the operation lever 41 is pressed,
The lever 33 can be rotated downward via the protruding shaft 39. On the other hand, on the one end 33a side, the other end of the coil spring 43, one end of which is locked to the pin 42 that is erected in the first recess 7a, is locked, and the tension of this coil spring 43 causes the lever to move. 33 is always rotated upward (counterclockwise in FIG. 3), and the operating lever 41 is urged to move upward via the protruding shaft 39.

The first ratchet pawl 34 is rotatably arranged on the other end 33b side of the lever 33 via a pivot 44, and the pawl portion 34a at the tip is engaged with the ratchet teeth of the ratchet wheel 32. ing. The first ratchet pawl 34 is engaged with the other end of the coil spring 45 whose one end is engaged with the pivot 44. When the ratchet wheel 32 is rotated in the arrow F direction (belt driving direction) in FIG. 3 by the urging force of the coil spring 45, the ratchet wheel 32 is rotated in the clockwise direction in FIG. When 32 tries to rotate in the direction opposite to the arrow F direction, the claw portion 34a is engaged with the teeth of the ratchet wheel 32 so that the ratchet wheel 32 does not rotate in the direction opposite to the arrow F direction.

The second ratchet pawl 35 is rotatably disposed above the lever 33 on the rear surface 2d via a pivot 46, and the pawl portion 35a at the tip thereof is a ratchet wheel 32.
Of the ratchet teeth. The second ratchet pawl 35 has a winding spring 47 whose one end is engaged with a pivot 46.
The other end of is engaged. Then, when the ratchet wheel 32 is rotated in the direction of arrow F in FIG. 3 by the biasing force of the coil spring 47, as in the case of the first ratchet pawl 34, as shown in FIG.
When the ratchet wheel 32 tries to rotate in the direction opposite to the arrow F direction, the pawl portion 35a bites into the teeth of the ratchet wheel 32, and the ratchet wheel 32 moves in the arrow F direction. It has a structure that prevents it from rotating in the opposite direction. That is, the second ratchet pawl 35 is rotated on the ratchet wheel 32 by rotating the lever 33 in the clockwise direction in FIG.
Is moved in a clockwise direction while sliding, and when the ratchet wheel 32 is about to be rotated in a clockwise direction by the frictional force at this time, the claw portion 35a of the second ratchet pawl 35 causes the ratchet teeth of the ratchet wheel 32 to move. To prevent the ratchet wheel 32 from rotating in the direction opposite to the arrow F.

Then, the timing belt drive system 31
In a, when the operation lever 41 is pressed, the lever 33 is rotated clockwise in FIG. 3 against the biasing force of the coil spring 43, and the operation lever 41 is moved to the lowest side. Sometimes, the tip claw portion 34a of the first ratchet pawl 34 is moved to a position where it crosses over two ratchet teeth of the ratchet wheel 32. At this time, ratchet car 32
Has not yet rotated and only the lever 33 and the first ratchet pawl 34 are moved. Next, when the pressing force of the operation lever 41 is released, the lever 33 is rotated in the counterclockwise direction in FIG. 3 by the urging force of the coil spring 43, and at this time, the ratchet wheel 32 is moved by the first ratchet pawl 34 to the arrow F direction.
The control lever 41 is pushed back to the initial position.

The small chamber molded body side drive system 31b comprises a lever 49 rotatably mounted in the second recess 7b via a pivot 48, and one end 49a thereof is the other end of the lever 33. 33b, and the other end 49b extends into the third recess 7c. Further, a long hole 50 is formed at one end 49b of the lever 49, and a connecting pin 38 is engaged in the long hole 50 so that one end 49a is linked to the other end 33b of the lever 33. Then, when the operation lever 41 is pushed down and the lever 33 is rotated downward (clockwise direction in FIG. 3), the lever 49 is rotated counterclockwise about the pivot 48 as a fulcrum in conjunction with this. To do. On the other hand, when the operation lever 41 is released from rotation and the lever 33 is rotated upward (counterclockwise direction in FIG. 3), the lever 33 is rotated in the clockwise direction in conjunction with this. There is.

The small chamber molded body 3 is partially provided with a third recess 7c.
It has a base body 51 which is housed inside and is arranged so as to project from the upper surface 2 b of the base 2. More specifically, the base body 51 is made of aluminum, and the lower base body 51A accommodated in the third recess 7c and the upper part disposed so as to project from the upper surface 2b of the base 2 are disposed. Base 51B
And are integrated. A recess 52 is formed on the back surface 51b of the base body 51, and a buffer mechanism 53 is arranged in the recess 52. On the other hand, the base 5
The first small chamber 54 and the second small chamber 5 are provided on the first surface 51a.
5, a push-up piece guide groove 56, and a component guide groove 57 are formed. In addition, elongated holes 82 penetrating the front and back surfaces are formed in the base 51 so as to extend in the vertical direction, corresponding to the push-up piece guide grooves 56.

The buffer mechanism 53 has a pivot 58 penetrating through the elongated hole 82 and having one end protruding on the front and back sides, and a spacer member 59 fixedly attached to one end of the pivot 58 on the back 51b side. A slide plate 61 having a long hole 60 for escaping the spacer member 59 and movably attached to the spacer 59 in the vertical direction; and an upper bent piece portion 61a of the slide plate 61 and the spacer member 59. It is composed of a coil spring 62 stretched between them. The other end 49b of the lever 49 is linked to the lower end of the slide plate 61 via a pivot 63.

Then, in FIG. 3, when the lever 49 is rotated counterclockwise around the pivot 48 as a fulcrum, the slide plate 61 is pushed upward with the pivot 63 as a fulcrum. Then, the movement of the slide plate 61 is transmitted to the spacer member 59 via the coil spring 62, the spacer member 59 and the pivot 58 are moved upward, and the pivot 5 is moved.
A push-up piece 64, which will be described later, attached to the No. 8 is moved upward in the push-up piece guide groove 56. Further, in this state, when the lever 49 is rotated clockwise around the pivot 48 as a fulcrum, the slide plate 61 is pushed down around the pivot 63 as a fulcrum. Then, the inner surface of the long hole 60 of the slide plate 61 is brought into contact with the spacer member 59, and the spacer member 59 is forcibly pushed down together with the pivot 58,
As a result, the push-up piece 64 is moved downward.

Therefore, in the buffer mechanism 53, the force of the lever 49 for moving the pushing piece 64 upward is
The lever 49 is not directly transmitted to the push-up piece 64, but is transmitted to the pivot 58 side via the coil spring 62. Therefore, the push-up piece 64 should not be forcibly pushed up due to, for example, clogging of a component (work). In such a case, the operating force on the lever 49 side is absorbed between the slide plate 61 and the spacer member 59, and damage to the work can be suppressed and protected.

Next, the front surface 51a side of the base body 51 will be described. On the front surface side of the upper base body 51B, a side plate 65 made of plastic is provided over the front surface.
Are fixedly attached to the upper base body 51B by screws 79. Further, on the lower surface side of the upper base body 51B, a gentle notch 66 for escaping a part of the timing belt 22 that bypasses the outside of the end support pulley 12 is formed. On the other hand, at the upper end portion of the base body 51, a cartridge mounting portion 67 to which a cartridge 110 containing a supply component (workpiece 101) is detachably mounted is formed.

The cartridge lid 110 used in this embodiment and the work 101 stored in the cartridge 110 will be described below. The cartridge 110 has a mounting portion 111 (corresponding to the cartridge mounting portion 67 at the bottom thereof). (See FIG. 1), and a plurality of (usually about 20,000) works 101 are stored inside in a loose state. Further, a shutter mechanism (not shown) is provided in the opening portion of the mounting portion 111, and when the slide knob 112 provided on the side surface of the shutter mechanism is slid, the opening portion can be freely opened and closed. There is. The cartridge 110 is a commercial product.

On the other hand, the work 101 is a chip register in the case of this embodiment, and as shown in FIG. 17, the work 101 has a vertical dimension t1 of approximately 0.4 mm, a horizontal dimension t2 of 0.8 mm, and a length t3. It is formed in a rectangle of 1.5 mm. It should be noted that any other work may be used for implementation.

Next, the first small chamber 54 communicates with the cartridge mounting portion 67 and has a large depth d1 (see FIG. 6). On the other hand, the second small chamber 55 is formed below the first small chamber 54 and communicates with the first small chamber 54. Depth d2 of this second small chamber 55 (see FIG. 6)
Is larger than the vertical dimension t1 (see FIG. 17) of the workpiece 101 and smaller than the horizontal dimension t2 (see FIG. 17), that is, the condition of (t1> t2) is satisfied. Further, an inclined guide surface (guide path) 81 is formed between the first small chamber 54 and the second small chamber 55, and when the work 101 is loaded into the first small chamber 54 from the cartridge 110. In addition, the guide surface 81 can be slid and easily guided to the second small chamber 55 side. In addition, in this embodiment, the first small chamber 54 and the second small chamber 55 are
The surface of each of the guide surface 81 and the guide surface 81 is provided with a satin pattern so that the work 101 is unlikely to stick to it.

The push-up piece guide groove 56 is provided in the second small chamber 5.
The lower side of the second small chamber 55 is formed so as to communicate with the second small chamber 55 and extend in the vertical direction, and the lower surface of one side of the second small chamber 55 is inclined toward the pushing-up piece guide groove 56. It is formed as an inclined surface 55a. A plate-shaped push-up piece 64 having a relatively wide width is accommodated in the push-up piece guide groove 56 so as to be vertically reciprocable by being guided by the push-up piece guide groove 56. When the push-up piece 64 is moved to the lower end side, the upper end surface 64a is provided such that the upper end surface 64a is arranged at a position substantially corresponding to the lower end of the inclined surface 55a, and the upper end surface 64a is provided on the inclined surface 55a. The workpiece 101 is slightly inclined toward the side, that is, the component guide groove 57, so that the work 101 can easily move toward the component guide groove 57. Also,
The thickness on the upper end side of the push-up piece 64 that is inserted into the first small chamber 54 and the second small chamber 55 is the vertical dimension t1 of the workpiece 101.
Are formed almost equal to.

In the component guide groove 57, the inlet 57a located at the upper end side pushes up the piece guide groove 56 and the second small chamber 55, mainly as shown in FIGS.
And an outlet 57b located on the lower end side of the upper base 51B corresponding to the belt guide groove 23 is opened at a lower corner portion of the upper base 51B. Then, in the process from the inlet 57a to the outlet 57b, the component guide groove 57 is twisted by approximately 90 degrees. That is, in the portion of the inlet 57a, the upper surface 101a of the workpiece 101 faces outward, and the workpiece 101 is gradually changed in direction until it slides in the component guide groove 57 and reaches the portion of the outlet 57b. In the portion, the side surface 101b faces outward. In addition, as shown in FIG. 8 as a cross-sectional view taken along the line BB of FIG. 7, the part gap on the side close to the inlet 57a is such that the depth T1 of the component guide groove 57 is equal to that of the workpiece 10.
1 is formed to be slightly larger than the height t1, and the width T2 of the curved portion is larger than the depth T1 as shown in FIG. 9 as a sectional view taken along the line CC of FIG. Work 1
Depth t2 less than twice the height t1 of 01, ie (T1
It is formed so as to satisfy the condition of <T2 <2 · t1). Furthermore, the other parts are also formed with a size not exceeding (2 · t1). Therefore, since the width T2 of the curved portion is formed to be large, a large gap is formed between the curved portion and the work 101. When dropped, the corner of the work 101 does not come into contact with the inner surface of the component guide groove 57 and get caught there, so that the fall is not disturbed. Moreover, the height t1 of the work 101 is 2
Since the depth t2 is smaller than twice, even if the work 101 is clogged at the exit portion, it is possible to prevent the works from being overlapped and double-fed, or to further promote the clogging. Further, on the inlet 57a side, the width (depth T1) is reduced so that almost no gap is formed between the work 101 and the work 101. It doesn't happen that you try to get in and hinder a smooth introduction.

10 to 14 are operation state diagrams of the base body 51. Therefore, the operation of the base body 51 will be described with reference to FIGS. 10 to 14. FIG. 10 shows a state in which the work 101 is not loaded into the first small chamber 54 and the second small chamber 55, and the pushing-up piece. 64 is also moved to the lower end and is in a standby state.

Next, when the work 101 is stored in the first small chamber 54, it slides on the guiding surface 81 and the second small chamber 5 is moved.
5 falls by gravity into the second small chamber 55 and pushes up the piece 64.
The upper end surface 64a and the inclined surface 55a, which are inclined, are mounted (see FIG. 11). Further, some of them may be dropped by gravity into the component guide groove 57. In addition, the second small chamber 55
The depth d2 of the workpiece 101 is larger than the vertical dimension t1 of the workpiece 101 and smaller than the lateral dimension t2, that is, the condition of (t1> t2) is satisfied, and thus the workpiece dropped into the second small chamber 55. 101 is arranged with the upper surface 101a facing outward.

Next, when the push-up piece 64 is pushed up, the work 101 is stimulated by the movement of the push-up piece 64, and the work 101 is guided to the component guide groove 57 by the inclination of the upper end surface 64a and the inclination of the inclined surface 55a. It is in a sliding state, and a rolling force is applied to a part of the work 101. Then, the workpiece 101 that coincides with the component guide groove 57 is dropped into the component guide groove 57 by gravity, and this slides in the component guide groove 57 toward the outlet 57b, and while changing its direction on the way, the side face 1 is formed at the outlet 57b.
01b is turned to the outside and is discharged.

When the push-up piece 64 is further raised and extends beyond the second small chamber 55 and into the first small chamber 54, the work 101 on the lower end side in the first small chamber 54 is pushed up. . At this time, the inclined upper end surface 64a of the push-up piece 64 comes out with a part in which the direction of the work 101 is aligned (see FIG. 13).

When the push-up piece 64 is further moved upward, the work 101 sandwiched between the side surfaces of the first small chamber 54 and the push-up piece 64 is agitated (see FIG. 14). In this case, since the push-up piece 64 is formed in a plate shape, the stirring is performed better than in the case where the pin-shaped member is vertically moved in the conventional structure. At this time, since the lifting force is applied to the push-up piece 64 via the coil spring 62 described above, an unreasonable force is not applied to the work 101, and the risk of damage to the work 101 is avoided. doing. Moreover, since there is a stirring action, the first small chamber 5
One of the workpieces 101 located inside 4 falls into the second small chamber 55.

Next, when the push-up piece 64 descends, the work 101 on the inclined upper end surface 64a of the push-up piece 64 descends into the second small chamber 55 as it is. Along with the work introduced from the small chamber 54, a large number of works 101 are introduced into the second small chamber 55. Then, when the push-up piece 64 returns to the state of FIG. 11, one cycle ends, and the same operation is repeated again.

In the small chamber forming body 3 thus constructed, the lower base portion 51A is housed in the third recess portion 7c and fixed to the base 2 with the screw 79. Further, the lower base portion 51A has a long hole 68 (see FIG. 1) formed at a position corresponding to the long hole 18 on the base 2 side.
Is located at a predetermined position of the third recessed portion 7c, the long hole 18 corresponds to the long hole 68, and the support shaft 17 is inserted through the long hole 18 and the long hole 68. It can be fixed by tightening with screws 69 (see FIG. 2). Further, in this way, the small chamber forming body 3 attached to the predetermined position of the base 2 with the screw 67 and the screw 69 has the lower end where the outlet 57b of the component guide groove 57 is opened as shown in FIG. The edge portion 3a is brought into contact with the timing belt 22 on the side of the end supporting pulley 12, and the outlet 57b thereof is arranged below the horizontal tangent line 70 so that the timing belt 22 is provided with elastic force. This arrangement suppresses the vibration of the timing belt 22 in the portion of the outlet 57b, so that the outlet 57b
Workpiece 101 discharged from the timing belt 2
2 contributes to smooth mounting at a predetermined position.

In addition, after the small chamber forming body 3 is attached, the work guide member 71 and the work take-out stage member 72 are attached to the upper surface 2b of the base 2.

Of these, the work guide member 71 is disposed immediately adjacent to the front side of the small chamber forming body 3 and is formed in a groove shape on the lower surface side corresponding to the outlet 57b of the component guide groove 57. A tunnel portion 73 is provided. Then, the tunnel portion 73 is arranged in a state of being extended to just before the notch portion 15, and the upper surface 2b of the base 2 is fixed with a screw 74.
It is fixed to. In addition, this work guide member 71
Removes the work 101 taken out from the component guide groove 57 onto the timing belt 22.
Thus, when the sheet is sent to the front surface 2f side, it is prevented from moving due to external vibration or contact by being passed through the tunnel portion 73, which contributes to maintain the posture and the orientation.

The work pick-up stage member 72 is arranged immediately adjacent to the front side of the work guide member 71, and is fixedly mounted on the upper surface 2b with a screw 75. Further, at a position corresponding to the timing belt 22, that is, a position corresponding to the belt guide groove 23, an opening for receiving the work 101 sent by the timing belt 22 through the tunnel portion 73 of the work guide member 71. A recess 77 having a slit portion 76, which is arranged so that its portion matches the tunnel portion 73, is formed. The slit portion 76 is in a state formed on the timing belt 22, and thus the upper surface 2b is formed.
Work take-out stage member 7 attached on top
No. 2 has a vacuum suction nozzle (not shown) that receives the work 101 sent by the timing belt 22 through the tunnel portion 73 of the work guide member 71 by the slit portion 76 and stops it at that position. This contributes to waiting for the pickup mechanism to be vacuum-adsorbed and picked up. In addition, when the timing belt 22 is driven during this standby, the workpiece 101 and the timing belt 22 in the standby state slide between them, enabling the workpiece 101 to stand by on the timing belt 22. . Therefore, when the surface of the timing belt 22 becomes dirty and the frictional force becomes large, there is a possibility that the work 101 is forcibly fed during this standby state and the alignment in the standby state is broken, and this is avoided. Also for the above-mentioned cleaner mechanism 2
It is very important to provide No. 4 to clean the surface of the timing belt 22 so as to eliminate friction due to dirt.

Next, the overall operation of the component supply apparatus 1 thus constructed will be described. First, the mounting portion 111 is inserted into and engaged with the cartridge mounting portion 67 to mount the cartridge 110 storing the plurality of works 101 on the upper portion of the small chamber molded body 3, and the component supply device 1 is mounted on a mounting machine (not shown). The positioning pin 9 is used for positioning. Next, the slide knob 112 of the cartridge 110
Is slid to open the shutter mechanism of the cartridge 110. Then, as described above, the work 101 in the cartridge 110 is gravitationally dropped in the first small chamber 54 and the second small chamber 55 in a separated state, and a part thereof passes through the component guide groove 57 and exits. It is dropped onto the timing belt 22 from 57b.

Next, before the operation on the mounting machine side is started, the work 1 is placed on the work take-out stage member 72.
A preliminary setting operation for carrying 01 in advance is performed.
In this preliminary setting operation, the operator manually operates the operation lever 41
Is repeatedly pressed and released, that is, the operation lever 41 is repeatedly moved up and down. When the operation lever 41 is pushed down here, the lever 33 of the timing belt drive system 31a is rotated in the clockwise direction in FIG. 3 in conjunction with this, and the lever 49 of the small chamber forming body side drive system 31b is turned on. It is rotated counterclockwise. In this case, when the lever 33 is rotated in the clockwise direction in FIG. 3, the ratchet wheel 32 and the drive wheel are driven by the action of the first ratchet pawl 34, the second ratchet pawl 35 and the ratchet wheel 32 as described above. The support shaft 14 that rotates together with the side pulley 11 does not rotate. Therefore, the timing belt 22 does not rotate. On the other hand, when the lever 49 is rotated in the counterclockwise direction, the slide plate 61 is pushed up by the lever 49, and this is transmitted to the spacer member 59 side via the coil spring 62, and the push-up piece 64 together with the pivot 58 moves to the first push-up piece 64. It is pushed up into the small chamber 54. As a result, as described above, the work 101 is agitated in the first small chamber 54, dropped by gravity into the component guide groove 57, and sent toward the outlet 57b. As a result, the first and second
The work 101 in the small chambers 54, 55 of the
Sequentially sent inside.

When the operation lever 41 is released, the tension of the coil spring 43 causes the lever 33 to rotate counterclockwise in FIG. 3 and the lever 49 to rotate clockwise. It And the lever 33
3 is rotated counterclockwise in FIG. 3, the ratchet wheel 32 is rotated by two teeth in the same direction as the lever 33 (direction of arrow F in FIG. 3) by the first ratchet pawl 34.
Then, the drive side pulley 11 and the support shaft 14 are rotated in the same direction as the ratchet wheel 32, whereby the timing belt 22 corresponds to the rotation of the ratchet wheel 32.
It is rotated forward (in the direction of arrow G in FIG. 2). In this embodiment, the amount by which the timing belt 22 is intermittently fed by one operation of the operation lever 41 is about 2 pieces (2 × t3) of the length t3 (= 1.5 mm) of the work 101, That is, it is set to about 3 mm. Therefore, the component guide groove 5
The work 101 dropped onto the timing belt 22 through 7 passes through the tunnel portion 73 by the same amount as the timing belt 22 every time the timing belt 22 is intermittently driven, that is, about 3 mm. The workpiece 101 is sent to the take-out stage member 72 side, so that the workpiece 101 is always present on the workpiece take-out stage member 72.

On the other hand, when the lever 49 is rotated clockwise, the slide plate 61 is pushed down with the pivot 63 as a fulcrum. Then, the inner surface of the long hole 60 of the slide plate 61 is brought into contact with the spacer member 59, the spacer member 59 is forcibly pushed down together with the pivot 58, and the push-up piece 64 is also moved downward accordingly.

As a result, one cycle of the preliminary setting operation is completed. In this way, the works 101 are sequentially sent to the work taking-out stage member 72 side, and the first work 1
01 is the slit portion 7 of the workpiece take-out stage member 72
It is received inside 6 and abuts on the back of the slit 76. Then, under the preliminary setting state, this work 101
Slips on the timing belt 22 and enters a standby state. Then, the next work 101 is similarly arranged in the slit portion 76 after the previous work 101 and is in a standby state. In this way, a plurality of workpieces 101
Is placed on the timing belt 22 in a standby state,
The preliminary setting operation is completed, and the mounting operation is started by the mounting machine.

In the mounting operation by the mounting machine, in the preliminary setting operation, while the operator manually pushed the operation lever 41, the pickup mechanism (not shown) descends from above the work take-out stage member 72. Is pressed by. This pickup mechanism has a work 1 at the bottom.
It has a vacuum suction nozzle for chucking 01. When the vacuum suction nozzle sucks the work 101 on the work pick-up stage member 72 and the pickup mechanism is lowered, the operation lever 41 is pushed down by this lowering. Next, the vacuum suction nozzle suctions the workpiece 101 by vacuum suction and raises it, and the workpiece 101 is mounted on a predetermined printed wiring board (not shown). Further, when the pickup mechanism is raised, the depression of the operation lever 41 is released.
Further, in this operation, the pick-up mechanism is the work 10.
Since the work 101 is sent onto the work taking-out stage member 72 at a speed twice as fast as picking up 1, the work 101 is taken out of the work taking-out stage member 7
It is possible to avoid causing the parts to run out on the upper part.

Further, in this way, the cartridge 110
Work 101 inside is supplied and goes to Cartrid 11
When the work 101 in 0 is gone, remove the empty cartridge 110 and replace it with a new cartridge 11
0 is mounted and the slide knob 112 is operated to open the shutter mechanism. Then, a new cartridge 11
The work 101 in 0 can be supplied in the same manner.

Further, when the component supply device 1 is removed and replaced with another component supply device, the old component supply device 1 is removed from the mounting machine, and the rear surface 2 of the old component supply device 1 is removed.
The top and bottom of the component supply device 1 are turned upside down with the e side slightly facing down. Then, the work 101 sent out onto the timing belt 22 is returned to the inside of the first small chamber 54 by tracing the path in the reverse direction, and also returned from the first small chamber 54 to the inside of the cartridge 110. And the cartridge 110
When returned to the inside, the slide operation knob 112 is then operated to close the shutter mechanism, so that all the works 101 can be replaced while being housed in the cartridge 110.

Therefore, according to the component supplying apparatus of the present embodiment, the mounting surface of the belt conveying means (timing belt 22) is cleaned by the felt 28 of the cleaner means (cleaner mechanism 24) as necessary, and the mounting surface is cleaned. Since it can be carried while maintaining the optimum state in which the friction coefficient is always constant, stable and reliable carrying can always be carried out, and a component carrying device can be realized.

Further, there is provided a first small chamber 54 having an opening at the top for loading the work 101 from the mounted cartridge 110, and a depth (d2) substantially corresponding to the minimum thickness (t1) of the work 101. And a second small chamber 55 that is provided in communication under the first small chamber 54 to receive the work 101 in a predetermined direction, and a second small chamber 55 from the lower side of the second small chamber 55. A plate-shaped push-up piece 64 that is vertically projected through the inside of the first small chamber 54 and moves up and down, and an opening 57d at one end side is provided adjacent to the side of the push-up piece 64, and an outlet 57b at the other end Since the component guide lead-out path (component guide groove 57) provided below and the drive mechanism 31 for vertically moving the push-up piece 64 are provided, the first small chamber 54 to the second small chamber are provided. 55 when moved to 55 When the workpieces 101 are aligned in the same direction and then introduced into the component guide groove 57, a necessary direction is further aligned and introduced, and thereafter, the workpiece 101 continues to move toward the outlet 57b side. Then, the paper is ejected onto the timing belt 22 in the same direction. Further, after being discharged, it is further carried by the timing belt 22 and guided and supplied to the mounting machine side. In this structure, since the push-up piece 64 is formed in a plate shape, a good stirring action can be obtained, and the bridge phenomenon which is a problem in the conventional method can be suppressed. This allows the bridge phenomenon itself to be suppressed without blowing the air in the conventional method or forcibly destroying the bridge by blowing air, etc.
It is possible to reliably supply without clogging of parts.

Further, the first small chamber 54 and the second small chamber 55
Between the workpiece 101 and the workpiece 101 placed in the first small chamber 54.
In order to introduce the first small chamber 5 into the second small chamber 55, a guide path (guide surface 81) formed by an inclined surface is provided.
The work 101 is well guided to the second small chamber 55 from 4.
Therefore, the work 101 can be further guided to the second small chamber 55 in combination with the stirring of the push-up piece 64.

Further, the upper end surface 64 of the pushing-up piece 64
a is formed as a flat surface on which the works 101 are lined up and can be placed, and the work 101 lined up on the upper end surface 64a when the push-up piece 64 is moved downward is Since it can be guided into the small chamber 55, the work 101 can be guided to the second small chamber 55.

Further, the upper end surface 64a of the pushing-up piece 64 is formed as an inclined surface which descends toward the inlet 57a side of the component guide groove 57, and the bottom surface of the second small chamber 55 is formed at the inlet 57a of the component guide groove 57. The work 101 can be guided to the second small chamber 55 also because it is formed as the inclined surface 55a that descends toward the side.

Further, since the inner surface of the first small chamber 54 and the inner surface of the second small chamber 55 are each formed into a rough surface having a satin pattern, the work 101 can be kept in the respective chambers 54,
No more sticking to the inner surface of 55,
A reliable supply can be performed.

Further, since the buffer mechanism 53 is provided between the drive mechanism 31 and the push-up piece 64 and the drive force of the drive mechanism 31 is applied to the push-up piece 64 via the buffer mechanism 53, it may be caused by some reason. Even if a clogging occurs, the work 101 receives unreasonable force,
It is possible to prevent the work 101 from being scratched or damaged.

Furthermore, the workpiece guide groove 57 is formed by being twisted, and the workpiece 10 is inserted at the inlet 57a side.
Since the direction 1 is discharged in a different direction (converted to 90 degrees in this embodiment) on the side of the outlet 57b, it can be discharged in the most preferable direction to be mounted on the timing belt 22, and it can be discharged by a pickup mechanism or the like. Vacuum adsorption makes it easier to pick up and post-processing becomes easier.

In addition, in the cleaner mechanism 24, the cleaner rod 26 is not limited to the above-mentioned embodiment, and the structure shown in FIG. 16 may be used. That is, the cleaner rod 26 shown in FIG. 16 has a first cleaner rod 26a having a felt 28 attached to the tip thereof, and the other end side of the first cleaner rod 26a slidably inserted therein and the outer peripheral surface thereof. A second cleaner rod 26b formed with a male screw 29 corresponding to the female screw 27;
Inside the cleaner bar 26b of the first cleaner bar 26a
And a cap 26c in which the other end of the second cleaner rod 26b is closed with a coil spring 80 interposed therebetween. And, in this cleaner rod 26, the male screw 29
Is screwed in, and the felt 28 becomes the timing belt 22.
The first cleaner rod 26a is compressed while the coil spring 80 is compressed when it is pressed onto the surface of the coil with a force of a predetermined value or more.
Is retracted into the second cleaner rod 26b, and the retracting allows the excessive pressure contact force to be absorbed and eliminated.

[0060]

As described above, according to the present invention,
Since the mounting surface of the belt transfer means can be cleaned by the cleaner means as needed and the best condition can always be maintained for transfer, stable and reliable transfer can be achieved, and a component transfer device can be realized. It will be possible.

[Brief description of drawings]

FIG. 1 is a perspective view of a part of an apparatus according to an embodiment of the present invention, which is disassembled and viewed from one surface side.

FIG. 2 is a side view of the apparatus according to the embodiment of the present invention viewed from one surface side.

FIG. 3 is a side view of the apparatus according to the embodiment of the present invention as viewed from the back surface side.

FIG. 4 is a perspective view of the apparatus according to the embodiment of the present invention as seen from one surface side.

FIG. 5 is a perspective view of the apparatus according to the embodiment of the present invention as viewed from the back surface side.

FIG. 6 is a sectional view taken along line AA of FIG. 3;

FIG. 7 is an enlarged view of a main part of the device according to the embodiment of the present invention.

FIG. 8 is an enlarged cross-sectional view taken along the line BB of FIG.

9 is an enlarged cross-sectional view taken along line CC of FIG.

FIG. 10 is an operation explanatory view of the small chamber molded body in the apparatus of the embodiment of the present invention.

FIG. 11 is an explanatory view of the operation of the small chamber molded body in the apparatus according to the embodiment of the present invention.

FIG. 12 is an operation explanatory view of the small chamber molded body in the apparatus of the embodiment of the present invention.

FIG. 13 is an operation explanatory view of the small chamber molded body in the apparatus of the embodiment of the present invention.

FIG. 14 is an operation explanatory view of the small chamber molded body in the apparatus of the embodiment of the present invention.

FIG. 15 is an enlarged view of a main part of the device according to the embodiment of the present invention.

FIG. 16 is a side view showing a modified example of the cleaner rod with a partial cross section.

FIG. 17 is an external perspective view showing an example of a work.

[Explanation of symbols]

1 Component Supply Device 2 Base 3 Small Chamber Molded Body 22 Timing Belt 25 Cleaner Mechanism 26 Cleaner Rod 27 Female Thread 28 Felt 29 Male Thread 31 Drive Mechanism 54 First Small Chamber 55 Second Small Chamber 55a Inclined Surface 57 Component Guide Groove Road) 57a Inlet 57b Outlet 64 Push-up piece 72 Workpiece take-out stage member (workpiece pick-up position) 101 Workpiece

Claims (5)

[Claims] 1. A component supply device that aligns and guides chip-shaped works to a position where the works are picked up by a work pick-up mechanism on the mounting machine side, and a small chamber into which the works are introduced, and the works in the small chambers. A discharge means for sequentially discharging, and a position corresponding to the outlet of the discharge means,
Belt conveying means for conveying the workpiece discharged by the discharging means to the workpiece pickup position, and driving means for operating the belt conveying means in conjunction with the workpiece pickup operation by the workpiece pickup mechanism, A component supply device, wherein a cleaner means for contacting a surface of the belt conveying means on which the work is placed and cleaning the placement surface is provided. 2. The component supply device according to claim 1, wherein the cleaner means is provided with a felt that comes into contact with the mounting surface at a position immediately before the work is mounted. 3. The component supply apparatus according to claim 2, wherein the cleaner means is provided with means for adjusting the contact force of the felt. 4. The component supply device according to claim 2, wherein the cleaner means is provided with means for absorbing an excessive pressure when the contact force of the felt is applied to a predetermined value or more. 5. In a component supplying method for aligning and guiding and supplying chip-shaped works to a position where the works are picked up by a work picking mechanism on the mounting machine side, the works discharged from the small chamber are placed on a belt conveying means. While mounting and transporting to the work pickup position,
A component supplying method, characterized in that a cleaner means is brought into contact with a work mounting surface of the belt carrying means so that the work can be cleaned and the work is carried.